gpu/trace: make TRACE_GPU_MEM configurable

Move the source to a better place in Device Drivers -> Graphics support
now that its configurable.

v4:
 - Move source location (Tvrtko)

v3:
 - Patch introduced to replace per-driver config (Lucas)

Signed-off-by: Juston Li <justonli@chromium.org>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/20250611225145.1739201-1-justonli@chromium.org
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

Author: Juston Li

drivers/Kconfig

@@ -209,8 +209,6 @@ source "drivers/thunderbolt/Kconfig"
 
 source "drivers/android/Kconfig"
 
-source "drivers/gpu/trace/Kconfig"
-
 source "drivers/nvdimm/Kconfig"
 
 source "drivers/dax/Kconfig"

drivers/gpu/trace/Kconfig

@@ -1,4 +1,13 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
 config TRACE_GPU_MEM
-	bool
+	bool "Enable GPU memory usage tracepoints"
+	default n
+	help
+	  Choose this option to enable tracepoints for tracking
+	  global and per-process GPU memory usage. Intended for
+	  performance profiling and required for Android.
+
+	  Tracepoint availability varies by GPU driver.
+
+	  If in doubt, say "N".

drivers/video/Kconfig

@@ -87,4 +87,6 @@ if FB_CORE || SGI_NEWPORT_CONSOLE
 
 endif
 
+source "drivers/gpu/trace/Kconfig"
+
 endmenu